CN209144837U - The pattern foundation pit supporting structure of waterproof tensile - Google Patents
The pattern foundation pit supporting structure of waterproof tensile Download PDFInfo
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- CN209144837U CN209144837U CN201821743213.3U CN201821743213U CN209144837U CN 209144837 U CN209144837 U CN 209144837U CN 201821743213 U CN201821743213 U CN 201821743213U CN 209144837 U CN209144837 U CN 209144837U
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- foundation pit
- supporting structure
- pit supporting
- concrete
- pattern foundation
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Abstract
The utility model relates to Base hole supporting technology fields, disclose a kind of pattern foundation pit supporting structure of waterproof tensile, it is intended to solve the problems, such as that traditional soil-nail wall support waterproof performance weakness, soil-nailed structure are slightly short of horizontal pull adaptability.Its key points of the technical solution are that: a kind of pattern foundation pit supporting structure of waterproof tensile, it is included in the pattern foundation pit supporting structure plate that foundation pit cement on inner wall pours, is fixed with concrete chimera on pattern foundation pit supporting structure plate, pattern foundation pit supporting structure plate is fixedly connected by concrete chimera with soil mass of foundation pit, and concrete chimera insertion soil mass of foundation pit one end is expanded.A kind of pattern foundation pit supporting structure of the waterproof tensile of the utility model, the pattern foundation pit supporting structure plate barrier performance of setting is excellent, clavate concrete chimera increases the contact area with soil mass of foundation pit compared to soil nailing, it is connect with soil mass of foundation pit stronger, preferably carrying soil mass of foundation pit stress, to reach waterproof, the purpose of tension.
Description
Technical field
The utility model relates to the technical fields of pattern foundation pit supporting structure, more particularly, to a kind of pattern foundation pit supporting structure of waterproof tensile.
Background technique
With rapid economic development, urban construction and development is rapid, and skyscraper is increasing, skyscraper be typically provided compared with
Big basement, the underground installations such as underground parking are also more universal, this is related to the construction of foundation pit, and the shearing resistance of the general soil body
Intensity is lower, and tensile strength can almost be ignored, but the soil body has certain structural integrity, and when excavation pit, the soil body exists
Make the critical altitude that side slope is upright, when be more than this depth or overcharge on ground and other factors effect under, side slope will occur
Sudden entirety breakoff phenomenon.Pattern foundation pit supporting structure is the safety to guarantee Underground Construction and foundation pit surrounding environment, to foundation pit side
Supporting and retaining system, reinforcing and the safeguard measure that wall and surrounding enviroment use.
As shown in Figure 1, traditional pattern foundation pit supporting structure mostly uses soil nail wall, soil nail wall includes that metal mesh is used as skeleton and uses water
Metope 100 that mud pours, the metope 100 are embedded in the soil nailing 200 of connection, the soil nailing 200 is that inside is embedded with reinforcing bar 400
And formed by concreting, stop grouting plug 300 is installed on the outside of the soil nailing 200.
Prior art among the above has the following deficiencies: soil nailing 200 and soil mass of foundation pit grafting, soil nailing outer wall and foundation pit
The soil body fits, and is fixed by the contact with each other frictional force of generation of soil nailing 200 and foundation pit, the stress inside foundation pit is conducted to wall
Face 100, when 100 pressure of metope is excessive, entire soil nail wall is easy to happen deformation, displacement, and tensile property is insufficient.It is even
Strong wind and heavy rain weather is met, for soil nail wall by erosion by wind and rain, foundation pit deformation, offset phenomena occasionally have generation, and foundation pit collapse also once occurred
It crosses.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of pattern foundation pit supporting structure of waterproof tensile, have
Excellent tensile property, reliable waterproof ability.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of pattern foundation pit supporting structure of waterproof tensile set on the pattern foundation pit supporting structure plate of foundation pit peripheral wall and is passed through including enclosing of pouring of cement
The pattern foundation pit supporting structure plate and the concrete chimera for being inserted in soil mass of foundation pit, the pattern foundation pit supporting structure plate are chimeric by the concrete
Body and soil mass of foundation pit plug connection, concrete chimera insertion soil mass of foundation pit one end are expanded.
By using above-mentioned technical proposal, the pattern foundation pit supporting structure plate that cement pours, which compares traditional soil nail wall, certain thickness, prevents
It is excellent to seep water-resistant performance；Concrete chimera one end is expanded, and the contact area with soil mass of foundation pit is increased, and is more advantageous to foundation pit branch
Backplate fights soil mass of foundation pit internal stress, improves the stretching resistance performance of the pattern foundation pit supporting structure of this waterproof tensile.
The utility model is further arranged to: the concrete chimera inclination insertion soil mass of foundation pit, concrete chimera
The plane at place is in that 30~75 ° of overturning angles are down-set perpendicular to the pattern foundation pit supporting structure plate, and with pattern foundation pit supporting structure plate.
By using above-mentioned technical proposal, the concrete chimera is located at the vertical vertical plane of pattern foundation pit supporting structure plate, and
It is placed in soil mass of foundation pit obliquely with 30~75 ° of angle lappings.It is this with inclination angle pour mode compared to level pour increase it is mixed
The frictional force of solidifying soil chimera and soil mass of foundation pit, is more advantageous to the stability for promoting the pattern foundation pit supporting structure of this waterproof tensile and tension is strong
Degree.
The utility model is further arranged to: the concrete chimera is by the internal inbuilt helical anchor cable of entirety
With pour in anchor cable periphery concrete casing composition.
By using above-mentioned technical proposal, the anchor cable twist, expands anchor cable and concrete casing combines contact
Area enhances the structural strength of the entire concrete chimera.
The utility model is further arranged to: i.e. separate in anchor cable inside one end that the concrete chimera expands
The pattern foundation pit supporting structure plate is fixed with steel disc on one end.
By using above-mentioned technical proposal, by the fixation steel disc, the one end for expanding anchor cable and concrete chimera
In conjunction with stronger and be not easily broken, the structural strength of the concrete chimera is enhanced.
The utility model is further arranged to: the steel disc for being fixed on anchor cable insertion soil mass of foundation pit one end is distributed in aliform.
By using above-mentioned technical proposal, on the one hand can be further enhanced and concrete casing in the steel disc of aliform distribution
Contact range, moreover it is possible to it further prevents cable wire to fall off out of concrete casing and exits, the structural strength of reinforcing concrete chimera.
The utility model is further arranged to: on the pattern foundation pit supporting structure plate, the anchor cable is set far from described steel disc one end
There is stop grouting plug.
By using above-mentioned technical proposal, when toward anchor cable position joints cement slurry manufacture concrete casing, setting
The stop grouting plug being fixed on anchor cable can make cement slurry casting in place, and overflow after preventing cement slurry from filling too many.
The utility model is further arranged to: concrete fixed column is embedded at the top of soil mass of foundation pit, the concrete is solid
Fixed column at the top of cable wire and pattern foundation pit supporting structure plate by connecting.
By using above-mentioned technical proposal, the concrete fixed column is buried at the top of foundation pit and coagulation is connected by cable wire
Native fixed column and pattern foundation pit supporting structure plate are fixed on soil mass of foundation pit when shear stress or pulling force of the pattern foundation pit supporting structure plate by soil mass of foundation pit
Concrete fixed column can stablize the hardened structure of the pattern foundation pit supporting structure by cable wire, effectively enhance integrally-built stability.
The utility model is further arranged to: pattern foundation pit supporting structure board bottom portion is equipped with cement slope protection.
By using above-mentioned technical proposal, the cement slope protection is located at pattern foundation pit supporting structure board bottom portion, and with the pattern foundation pit supporting structure
Plate is fixedly linked, and can break up and undertake a part of pattern foundation pit supporting structure plate pressure, can also increase integrally-built stability.
The utility model is further arranged to: pattern foundation pit supporting structure plate top is equipped with the water blocking higher than soil mass of foundation pit plane
Dike.
By using above-mentioned technical proposal, when with heavy rainfall, the water retaining dike can stop, drain rain at the top of soil mass of foundation pit
Water reduces erosion of the rainwater to construction site.
In conclusion the advantageous effects of the utility model are as follows:
1. increasing concrete chimera and foundation pit earth by being embedded in the concrete chimera that tail end expands in soil mass of foundation pit
The frictional force of body, while concrete chimera is connect with pattern foundation pit supporting structure plate, then enhances the pattern foundation pit supporting structure of this waterproof tensile
Tensile property keeps overall structure more solid and reliable;
2. soil mass of foundation pit top ground rainwater can effectively be stopped by the water retaining dike for being set to pattern foundation pit supporting structure plate top, from
And the purpose reaching and resist rain erosion, prevent sewage permeation inside soil mass of foundation pit, protecting construction site.
Detailed description of the invention
Fig. 1 is the structural profile illustration of existing soil nail wall.
Fig. 2 is the foundation pit supporting construction sectional view of waterproof tensile.
Fig. 3 is that concrete is fitted into body portion perspective view of the explosion in Fig. 2.
In figure: 100, metope；200, soil nailing；300, stop grouting plug；400, reinforcing bar；1, pattern foundation pit supporting structure plate；2, concrete is chimeric
Body；3, anchor cable；4, steel disc；5, stop grouting plug；6, concrete fixed column；7, cable wire；8, cement slope protection；9, water retaining dike；10, concrete
Shell.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of pattern foundation pit supporting structure of waterproof tensile disclosed by the utility model referring to Fig. 2, including pours vertically and and foundation pit
The pattern foundation pit supporting structure plate 1 that the soil body connects, and across pattern foundation pit supporting structure plate 1 and it is plugged in the intracorporal concrete chimera 2 of foundation pit earth, it mixes
Solidifying soil chimera 2 is arranged in array on pattern foundation pit supporting structure plate 1, and concrete chimera 2 expands and embedding far from 1 one end of pattern foundation pit supporting structure plate
Enter in soil mass of foundation pit, pattern foundation pit supporting structure plate 1 is closely coupled by concrete chimera 2 and soil mass of foundation pit.When Specific construction, according to base
Scale, the foundation depth for cheating the soil body, determine the quantity of concrete chimera 2, and the foundation pit supporting construction of this waterproof tensile is simple
Reliably, tension waterproof performance is outstanding.
It is even closer in order to connect concrete chimera 2 with soil mass of foundation pit, prevent 2 stress of concrete chimera from foundation pit
It is extracted in the soil body, more effectively to fight native pars intramuralis stress, as shown in Fig. 2, the perpendicular where concrete chimera 2 hangs down
Directly in corresponding pattern foundation pit supporting structure plate 1, and it is down-set in 60 ° of overturning angles with corresponding pattern foundation pit supporting structure plate 1.It is practical new at this
In the other embodiments of type, concrete chimera 2 is down-set in 75 ° or 30 ° of overturning angles with corresponding pattern foundation pit supporting structure plate 1.
As shown in figure 3, concrete chimera 2 is by the helical anchor cable 3 of the inbuilt entirety in inside and pours in outside anchor cable 3
The concrete casing 10 in week is constituted, and anchor cable 3 twist, is more advantageous to tight with concrete casing 10 when concrete grouting is poured
Close combination.In addition, anchor cable 3 is expanded towards concrete chimera 2 is welded with steel disc 4 at the top of the one end of side, and steel disc 4 is at aliform point
Cloth, the design of steel disc 4 make anchor cable 3 expand end with concrete chimera 2 and are combined more sufficiently, closely when grouting pours.
As shown in figure 3, it is screwed with stop grouting plug 5 far from 4 one end spiral of steel disc in anchor cable 3 on concrete chimera 2,
In concrete grout concreting shell 10, stop grouting plug 5 can prevent inner concrete slurry from splashing, while Shi Yike is completed in placing
Prevent excessive concrete grout from overflowing.
It is embedded with concrete fixed column 6 as shown in Fig. 2, pouring at the top of soil mass of foundation pit, concrete fixed column 6 passes through cable wire 7
It is fixedly connected with 1 top of pattern foundation pit supporting structure plate, on the one hand concrete fixed column 6 can be compacted, consolidate soil nearby, one side and foundation pit
Retaining-plate 1 is connected by cable wire 7, can be conducted and be shared the extrusion stress that a part of pattern foundation pit supporting structure plate 1 is subject to, and it is anti-to stablize entire waterproof
The structure of the pattern foundation pit supporting structure of drawing.
As shown in Fig. 2, 1 top of pattern foundation pit supporting structure plate is provided with water retaining dike 9, water retaining dike 9 will gather at the top of soil mass of foundation pit one
Part rainwater stops, is drained to pumping equipment, prevents accumulation of rainwater to bottom of foundation ditch from steeping bad working equipment.
As shown in Fig. 2, poured cement slope protection 8 along 1 bottom of pattern foundation pit supporting structure plate, cement slope protection 8 by pouring molding with
Pattern foundation pit supporting structure plate 1 is integrated, and extends and is exaggerated 1 bottom of pattern foundation pit supporting structure plate, can also share part pattern foundation pit supporting structure plate 1 and is pressurized
Power.
Working principle: when pattern foundation pit supporting structure plate 1 is by stress inside soil mass of foundation pit, 1 ontology of pattern foundation pit supporting structure plate undertakes one
Part stress shares a part of stress by the concrete fixed column 6 that cable wire 7 is connected with pattern foundation pit supporting structure plate 1, with pattern foundation pit supporting structure plate
1 phase pours fixed concrete chimera 2 and shares a part of stress, pours fixed cement slope protection 8 also with 1 phase of pattern foundation pit supporting structure plate
A part of stress can be undertaken, to promote the stability and pattern foundation pit supporting structure tensile capacity of this waterproof tensile, pattern foundation pit supporting structure plate 1 is by water
Mud pours preferable into barrier performance, and the water retaining dike 9 of top setting, which can handle, drains soil mass of foundation pit top ground flowing water to reach
Purpose strong at tensile property, waterproof ability is outstanding.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of pattern foundation pit supporting structure of waterproof tensile, it is characterised in that: be set to the base by concreting of foundation pit peripheral wall including enclosing
It cheats retaining-plate (1), and passes through the pattern foundation pit supporting structure plate (1) and be inserted in the concrete chimera (2) of soil mass of foundation pit, it is described mixed
Solidifying soil chimera (2) is inserted into soil mass of foundation pit one end and is expanded, the pattern foundation pit supporting structure plate (1) by the concrete chimera (2) with
Soil mass of foundation pit connection.
2. the pattern foundation pit supporting structure of waterproof tensile according to claim 1, it is characterised in that: concrete chimera (2) inclination
Be inserted into soil mass of foundation pit, the plane where the concrete chimera (2) perpendicular to corresponding pattern foundation pit supporting structure plate (1), and with
The corresponding pattern foundation pit supporting structure plate (1) is down-set in 30~75 ° of overturning angles.
3. the pattern foundation pit supporting structure of waterproof tensile according to claim 2, it is characterised in that: the concrete chimera (2) is by interior
The helical anchor cable of the inbuilt entirety in portion (3) and the concrete casing (10) poured in anchor cable (3) periphery are constituted.
4. the pattern foundation pit supporting structure of waterproof tensile according to claim 3, it is characterised in that: the anchor cable (3) is inserted into soil mass of foundation pit
Steel disc (4) are fixed at the top of one end.
5. the pattern foundation pit supporting structure of waterproof tensile according to claim 4, it is characterised in that: the steel disc (4) is distributed in aliform.
6. the pattern foundation pit supporting structure of waterproof tensile according to claim 5, it is characterised in that: on the concrete chimera (2),
The anchor cable (3) is equipped with stop grouting plug (5) far from the steel disc (4) one end.
7. the pattern foundation pit supporting structure of waterproof tensile according to claim 1, it is characterised in that: be embedded with concrete at the top of soil mass of foundation pit
Fixed column (6), concrete fixed column (6) are connect by cable wire (7) with pattern foundation pit supporting structure plate (1).
8. the pattern foundation pit supporting structure of waterproof tensile according to claim 1, it is characterised in that: pattern foundation pit supporting structure plate (1) bottom is set
There are cement slope protection (8).
9. the pattern foundation pit supporting structure of waterproof tensile according to claim 1, it is characterised in that: pattern foundation pit supporting structure plate (1) top is set
There is the water retaining dike (9) higher than soil mass of foundation pit plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821743213.3U CN209144837U (en) | 2018-10-25 | 2018-10-25 | The pattern foundation pit supporting structure of waterproof tensile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821743213.3U CN209144837U (en) | 2018-10-25 | 2018-10-25 | The pattern foundation pit supporting structure of waterproof tensile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209144837U true CN209144837U (en) | 2019-07-23 |
Family
ID=67271080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821743213.3U Expired - Fee Related CN209144837U (en) | 2018-10-25 | 2018-10-25 | The pattern foundation pit supporting structure of waterproof tensile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209144837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302029A (en) * | 2020-09-18 | 2021-02-02 | 中石化宁波工程有限公司 | Drainage tensile foundation pit supporting structure |
-
2018
- 2018-10-25 CN CN201821743213.3U patent/CN209144837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302029A (en) * | 2020-09-18 | 2021-02-02 | 中石化宁波工程有限公司 | Drainage tensile foundation pit supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20211025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |